Igniter Media has a brief video which is currently the featured video in the right margin of famvin. This one minute 47 second video presents insightful contrasts in answering the question.

“It seems interesting that we refer to the day Christ died as ‘Good Friday’. Considering the events of the day, tragic or awful seems more appropriate. However, we ultimately know what God was up to that day. Though the events seemed very ‘BAD’, God was using everything that happened for ‘GOOD’.”